xref: /minix/lib/libc/compat/stdio/compat_fsetpos.c (revision ebfedea0)
1 /* $NetBSD: compat_fsetpos.c,v 1.2 2012/10/17 16:09:03 drochner Exp $ */
2 
3 /*-
4  * Copyright (c) 1990, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * Chris Torek.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  * Original version ID:
35  * NetBSD: fsetpos.c,v 1.10 2003/08/07 16:43:25 agc Exp
36  */
37 
38 #include <sys/cdefs.h>
39 #if defined(LIBC_SCCS) && !defined(lint)
40 __RCSID("$NetBSD: compat_fsetpos.c,v 1.2 2012/10/17 16:09:03 drochner Exp $");
41 #endif /* LIBC_SCCS and not lint */
42 
43 #define __LIBC12_SOURCE__
44 
45 #include "namespace.h"
46 #include <sys/types.h>
47 
48 #include <assert.h>
49 #include <stdio.h>
50 #include <compat/include/stdio.h>
51 
52 #ifdef __warn_references
53 __warn_references(fsetpos,
54     "warning: reference to compatibility fsetpos(); include <stdio.h> for correct reference")
55 #endif
56 
57 
58 /*
59  * fsetpos: like fseek.
60  */
61 int
62 fsetpos(FILE * __restrict iop, const off_t * __restrict pos)
63 {
64 	_DIAGASSERT(iop != NULL);
65 	_DIAGASSERT(pos != NULL);
66 
67 	return fseeko(iop, *pos, SEEK_SET) == (off_t)-1;
68 }
69